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Home >> Toyota >> 2012 >> Matrix Base, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Engine Control System (2ZR-FE) (Diagnostic Codes (P043E-P1605)) >> SFI System >> DTCS >> DTC P0607: Control Module Performance >> Monitor Description
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Monitor Description

WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

The ECM continuously monitors its internal processors (CPUs) and heated oxygen sensor transistors. This self-check ensures that the ECM is functioning properly.

DTC No. DTC Detection Condition Trouble Area
P0607 Either of the following conditions is met (1trip detection logic):
  • The ECM CPUs malfunction
  • The heated oxygen sensor transistor (built into the ECM) malfunctions
  • ECM
  • Heated oxygen sensor (sensor 2)
  • Exhaust gas leak
For Mexico models:
ECM CPU error
ECM